Drivers talking or texting while speeding down the motorway could soon become a thing of the past, because a car key’s been developed to render the user’s phone useless when the motor's running.
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Key2SafeDriving is a Bluetooth-enabled car key which, when in the ignition …

Doesn't matter.....

Doesn't matter if it can tell whether you've stopped and still have the engine running or not.

Legislation states that to legally make a phone call, you must have pulled over AND turned off the engine.

How does it know if your the driver or just a passenger in a car you sometimes drive? Does it require one key per person which is tied to the mobile of that person? Could be costly on keys in a large family!

You can legally use a phone and drive.

More Big Brother Technology!!!!

Yet more technology to enable Big Brother to control our lives! When will the authorities accept that talking on a mobile phone using an hands free set is no more distracting than talking with your passengers. If they are going to start punishing those who use a Handfree set then please start to punish all those who talk to their passengers when driving. The latter is in my opinion far more distracting than taking a call on a mobile phone using an handsfree set.

Yes I fully agree texting or using a mobile without an handsfree set is wrong and distracting, but it's a totally different thing if an handsfree set is used.

Who will they sue

Who will they sue when their phone doesn’t work during an emergency? For example when there is an accident and a person in the back seat can't get to the key so that they can make a 911 call. I can also imagine pulling in next to someone who is just on the edge of the cell, closing a deal for 20 mil, when his cell drops out. It is an interesting idea, but could be complicated to implement without problems...